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Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6545694423

Certificate GIA 6545694423

Diamond specifications and retailer prices

From HK$43,936 HKD
As of November 6, 2026
Save HK$56,226 HKD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$100,162 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545694423. Listed at 19 retailers as of November 5, 2026, with prices from HK$43,936 to HK$100,162, a HK$56,226 spread on the same certified stone. NZ Jewellers lists it at HK$100,162. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545694423
Dimensions7.33 × 7.35 × 4.52 mm
L/W Ratio1.00
Top View
7.33 mm7.35 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545694423
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$100,162 HKD|Low: HK$43,537 HKD|High: HK$100,162 HKD|Avg: HK$61,537 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 16HK$43,936 HKD
Retailer 7HK$47,314 HKD
Retailer 5HK$50,081 HKD
Retailer 9HK$50,081 HKD
Retailer 18HK$50,277 HKD
Retailer 4HK$54,258 HKD
Retailer 8HK$55,089 HKD
Retailer 12HK$55,528 HKD
Retailer 17HK$57,738 HKD
Retailer 15HK$59,306 HKD
Retailer 6HK$62,605 HKD
Retailer 10HK$65,991 HKD
Retailer 11HK$65,999 HKD
Retailer 3HK$67,167 HKD
Retailer 2HK$72,653 HKD
Retailer 13HK$73,068 HKD
Retailer 14HK$83,241 HKD
NZ JewellersHK$100,162 HKD

33 data points across 18 retailers

19 retailersHK$43,936 HKD to HK$100,162 HKD

A
Cheapest Retailer
-
HK$43,936 HKD
B+
Retailer 2
-
HK$47,275 HKD
View
B+
Retailer 3
-
HK$47,314 HKD
View
B+
Retailer 4
-
HK$50,081 HKD
View
Final sale: no returns
Retailer 5
-
HK$50,081 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$50,277 HKD
View
B+
Retailer 7
-
HK$54,258 HKD
View
B+
Retailer 8
-
HK$55,089 HKD
View
B+
Retailer 9
-
HK$55,528 HKD
View
Retailer 10
-
HK$57,738 HKD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
HK$59,306 HKD
View
B+
Retailer 12
-
HK$62,605 HKD
View
Retailer 13
-
HK$65,991 HKD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
HK$65,999 HKD
View
B
Retailer 15
-
HK$67,167 HKD
View
B
Retailer 16
-
HK$72,653 HKD
View
B
Retailer 17
-
HK$73,068 HKD
View
B
Retailer 18
-
HK$83,241 HKD
View
Most Expensive
B
NZ Jewellers
7238d773-89f0-446b-9262-05b231d63538 · Nov 5
HK$100,162 HKD
$12,780 USD
View
18 more retailers have this diamond
Prices start from HK$43,936 HKDSave up to HK$56,226 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
HK$43,936 HKD